code: def test_class_getitem(self):
      getitem_args = []
  
      class C:
          def __class_getitem__(*args, **kwargs):
              getitem_args.extend([args, kwargs])
              return None
  
      C[int, str]
      self.assertEqual(getitem_args[0], (C, (int, str)))
      self.assertEqual(getitem_args[1], {})
  
imports: import unittest
  from test import support
label_desc: Use image node_id 1 for calling the TestClassGetitem obj's underlying member method code with example usage: obj.test_class_getitem() and returns: None